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SOS—Save Our Screens!

Almost everyone has heard of screensavers. Computer software stores contain shelf after shelf of screensaver programs that display pictures of your favorite television characters, cartoons, and geometric and 3D designs. Microsoft designed Windows XP to include several screensavers, so you don't have to buy one.

Want to know an insider's computer industry secret? Here it is: Screensavers really don't save many screens these days. In the past, computer monitors, especially the monochrome green-letters-on-black kind, would burn in characters when left on too long without being used. In other words, if you left the monitor on for a long time and did not type anything, the characters on the monitor would begin to leave character trails that stayed on the monitor even after you turned it off.


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